# Absolute Time Delay Measurement Over an Existing Radio Over Free‐Space Optical Link with Sub‐Picosecond Precision

> Research article (Laser & Photonics Review, 2023) · cited 11× · AI/ML

**Wikidata**: [openalex:W4319790947](https://www.wikidata.org/wiki/openalex:W4319790947)  
**Source**: https://4ort.xyz/entity/absolute-time-delay-measurement-over-an-existing-radio-over-freespace-optical-link-with-subpicosecond-precision
